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Australia’s Carnarvon Power has confirmed the drilling operations at its Buffalo-10 effectively, situated offshore Timor-Leste, are progressing as scheduled.
In an replace on Friday, Carnarvon suggested that, for the reason that final announcement on 6 January 2022, the 13 3/8” casing has been efficiently cemented in place and the wellhead put in. The 12 ¼” gap part was then drilled right down to a depth of roughly 2,707 metres measured depth (MD).
The Buffalo-10 effectively is being drilled offshore Timor-Leste throughout the TL- SO T19-14 Manufacturing Sharing Contract in a water depth of roughly 30 metres with a goal depth of roughly 3,500 metres. Carnarvon is the operator of the licence and Advance Power is its accomplice.
The effectively is being drilled utilizing the Valaris JU-107 jack-up rig and the drilling operation began on the finish of December 2021 after a number of months of delays.
In a separate assertion on Friday, Advance stated that the rig is now setting and cementing the 9 5/8” casing earlier than drilling forward within the 8 ½” part gap to a deliberate depth of roughly 3,500 metres MD. For operational effectivity, the 9 5/8” casing is being set at roughly 2,700 metres MD, with the geological markers within the 12 ¼” gap part having been intersected throughout the pre-drill vary.
Moreover, the Elang reservoir is anticipated to be encountered within the 8 ½” gap part and wireline logs can be run over the Elang reservoir earlier than figuring out if the effectively can be accomplished and suspended for potential future manufacturing.
Leslie Peterkin, CEO of Advance Power, commented: “We’re happy with the progress reported by the operator, and the truth that we stay on prognosis is an encouraging indication that the geophysical interpretation is as we predicted. This bodes effectively as we put together to drill forward into the goal Elang reservoir, and we stay up for providing additional updates to the market sooner or later.”
As beforehand reported, the Buffalo-10 effectively is being drilled to check for the presence of economic portions of high-quality gentle oil that’s anticipated to result in the early re-development of the Buffalo subject, which was found in 1996 by BHP and produced from 1999 to 2004.
The sphere resides in solely 30 metres of water with a reservoir depth between 3,200 and three,300 meters beneath the seabed. The earlier subject proved the existence of a really excessive deliverability reservoir containing high-quality gentle oil that’s anticipated to promote at a premium to Brent in in the present day’s market. The Buffalo-10 effectively will penetrate the present oil column to evaluate the extent of the revised mapped attic oil column as the sphere was nonetheless producing when it was shut-in in 2004.
Carnarvon’s mid-case recoverable quantity estimate is 31 million barrels (gross, 2C contingent useful resource). Because the minimal financial subject measurement is estimated to be considerably decrease than the mid-case estimate, there’s a sturdy chance the Buffalo-10 effectively will affirm an financial undertaking. In accordance with this, Carnarvon’s drilling plans present for the Buffalo-10 effectively to be retained as the primary manufacturing effectively within the redevelopment program.
To this finish, Carnarvon and Advance are growing plans to compress the timeline to the primary manufacturing as soon as the Buffalo-10 effectively confirms a business oil useful resource. These plans embrace partaking with the trade for the availability and set up of appropriate gear to provide the oil.
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